Questions Asked on
November 29, 2008

  1. ochem

    bromide is a better nucleophile toward the intermediate bromonium ion than ethanol. what product would be obtained if ethanol did carry out this nucleophilic attack?

    asked by ana
  2. Tyler

    Find the solution {in the interval of [0,2pi)} of: tan2x - 2cosx = 0 ( I know the answer is pi/6, but I guessed and checked. Please show the steps I need to go through in order to get the answer )

    asked by Trigonometry
  3. Chemistry

    hellppp please i have a test on this on mondayy im so screwed A solid mixture contains MgCl2 and NaCl. When 0.5000 g of this solid is dissolved in enough water to form 1.000 L of solution, the osmotic pressure at 25°C is observed to be 0.4010 atm. What is

    asked by yvonne
  4. 5th grade teacher needs your help

    My class is planning a trip to the NY transit Museum. Before the trip, I plan on giving my students three lessons one will focus on the public transportation in the past, the other will focus on the history of the NY subway system and the other lesson will

    asked by thea
  5. Physics

    This question has me very lost. Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 11 cm apart. The sound intensity decreases as the distance between the speakers is increased, reaching zero at a

    asked by Phil
  6. algebra

    how do i find the greatest monomial factor of 4x^2-17? p.s. the ^ means the the number following in superscript((which is a tiny number above it))) it says 4x squared minus 17

    asked by court
  7. Astronomy - help!

    Imagine that you have obtained spectra for several galaxies and have measured the observed wavelength of the H emission line of atomic hydrogen. The rest wavelength of H is 656.3 nanometers (nm). Your results are as follows: • Galaxy 1: Observed H

    asked by anonymous
  8. Intermediate Accounting

    Python Company leased equipment from Hope Leasing on January 1, 2006. Hope purchased the equipment at a cost of $232,666. Other information: Lease term 3 years Annual payments $90,000 on January 1 each year Life of asset 3 years Fair value of asset

    asked by Frank
  9. AP CHEMMMM

    A bottle of wine contains 13.1% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration of ethanol in wine in terms of mass percent and molality. mass percent _______% molality ______mol/kg Thanks

    asked by Lawrence
  10. Chem- Dr bob! or GK!

    Calculate the energy that must be removed to convert substance X from a gas at 116°C to a solid -44.6°C. Assume X has a molar mass of 75.0 g/mol. ÄHvap 20. kJ/mol C(s) 3.0 J/g·°C ÄHfus 5.0 kJ/mol C(l) 2.5 J/g·°C bp 75°C C(g) 1.0 J/g·°C mp -15°C

    asked by Rachelle
  11. Trigonometry

    Use the power-reducing formulas to rewrite the expression in terms of the first power of the cosine. [#1.] (sin^4x)(cos^4x) [#2.] (sin^4x)(cos^2x)

    asked by Tom
  12. Math

    You invest $500 @ 6.5% compound annually given by the equation A=500(1.065)ⁿ where n=number of years and A=amount earned. How long would it take to earn $1000?

    asked by Lisa
  13. Principles of microeconomics

    Thos question comes from Gregory Mankiw Principles of Microeconomics fourth edition. I am not sure how to do this problem. Can you help me please. The government places a tax on the purchase of socks. A. Illustrate the effect of the tax on equilibrium

    asked by Stacie
  14. Chemistry

    Physical properties are those that you can detect with your senses: sight, hearing, touch, taste, smell. With just a glass of water, you can explore physical properties of water. Activity: Investigating Water glass of drinking water,paper

    asked by TOM
  15. co 150

    can someone check my answer to see if they correcChoose the antecedent of the pronoun that appears in boldface type in each sentence. ________________________________________ 1. Sometimes, when cat owners are ready for a new pet, they bring home a dog. pet

    asked by Lasoyna
  16. Statistics

    1. A certain population follows a normal distribution, with mean m and standard deviation s = 2.5. You collect data and test the hypotheses H0: m = 1, Ha: m 1. You obtain a P-value of 0.022. Which of the following is true? Why? a. A 95% confidence interval

    asked by Latoya
  17. Bio

    Please Check my work and help me to answer the questions i could not get. Measure the cube that you are given. Complete the chart on the next page for your cube, then fill in the spaces for two other cubes, one measuring 1 cm on an edge and the other

    asked by Anonymous
  18. Math

    Describe the value of a zero in front of a whole number.

    asked by Janisha
  19. Genetics

    Hi, I'm just trying to learn gene mapping and I'm a bit confused as to why the answer this question is D. I just don't get it, and I'd really appreciate it if someone could help work it through so I'd understand how they got that answer to be wrong and the

    asked by Katie
  20. math

    how do you add and subtract fractions with different denomonaters?

    asked by kiley
  21. cjs 200

    what are the court levels and responsibilities

    asked by minlari
  22. design

    Is all graphic design meant to inspire consumers to buy a product or service?

    asked by sue
  23. SAT Essay

    Think carefully about the issue presented in the following excerpt and the assignment below. On the surface, censorship seems objectionable because it limits our freedom. But all societies need to suppress or restrict information that is offensive or

    asked by Sahil
  24. Another caffeine from tea question

    Can anyone show me the reaction of sodium carbonate with water to produce bicarbonate and hydroxide as sodium carbonate dissolves? And if any, what is the reaction of tannins and caffeine with this solution? Thanks loads!

    asked by Scott
  25. Physical Science

    Explain how the path of an electron differs in Bohr's model and in the modern model of the atom.

    asked by Janisha
  26. chemistry

    Materials -sandwich-sized plastic ziplock bag -graduated cylinder -paper cup -rubber band -measuring spoons -vinegar -baking soda -twist-tie (like the closure for a loaf of bread) Part 1: The Reaction 1.Use the paper cup during this part of the experiment.

    asked by TOM
  27. Biology

    Hey guys! I'm thinking that B is the correct answer, but doesn't the DNA that is going to be inserted into the vector complementary to the mRNA strand? Would appreciate some help! Which one of the following is the biggest challenge that must be overcome in

    asked by Angela
  28. Chemistry

    Physical properties are those that you can detect with your senses: sight, hearing, touch, taste, smell. With just a glass of water, you can explore physical properties of water. Activity: Investigating Water glass of drinking water,paper

    asked by Tom
  29. ASTRONOMY

    In which type of galaxy would you most likely to observe a massive star supernova – in a giant elliptical or in a large spiral galaxy? Explain

    asked by anonymous
  30. Business Math

    How do you find the end-of-day balance?

    asked by Kelly
  31. Business Marketing

    3-4 pages Details: A senior federal agent is assigned as the division training officer responsible for providing/coordinating in-service training for the agents in the division along with the local police officers assigned to work on a federal task force.

    asked by Shakaa'
  32. math

    hi i was wondering how would you find the equation of a parabola with it's vertex at -2,0, and with no directrix or focus given. the parobala opens toward the left. the two choices in my multiple choice answer sheet that sound the most logical would be

    asked by Rob
  33. computers

    Okay, I'm doing a project at school and I need help. What is the difference between a "Webmaster" and a "Web designer" They both build websites using HTML don't they? So I don't see any difference. Could it be just different names? 'Thanks,

    asked by Larry
  34. Math

    6.5% of what number is 325? this is what I get: 6.5 x 325 = 21.25

    asked by Debbie
  35. social studies

    hi can someone help me. What views did the southern democrats, westerners, northern radicals, and northern whigs have reforem movements in the 19th century

    asked by fred
  36. Business mangement and leadership

    Read through the 12 principals for Manging Change .Then select three principals you feel are most important to follow when managing and describe why you feel these are essential. Describe some specific techniques that can be used to manage change in an

    asked by anna
  37. Chemistry

    An element's symbol, # of protons, electrons, neutrons, atomic #, oxidation state, atomic mass, period #, and group #: Which are considered physical properties and which are considered chemical properties?

    asked by Anonymous
  38. Math 115

    I can't figure this one out. Write the decilam equivalent, using the bar notation 7/18 Now, here are my choices for answers, and I do not come up with any of them A. 0.6 (line over .6) B. 0.16 (line over .6) C. 0.61 (line over .61) D. 0.61

    asked by Debbie
  39. Algebra 1A

    describe what the graph of interval -4, 10 looks like? This is for math 166 algebra 1A I don't understand how to answer this question, please help me!

    asked by Julissa
  40. IT 221

    I need help with this one because I don't even know where to start. I need to use microsoft project to develop a work breakdown structure (WBS) for my project. ok I tried going into Microsoft project put I just don't know how to organize it, and i can't

    asked by Sam
  41. Grammar

    Indentify each sentence below with Simple, compound, complex, or compound-complex. Could you pleas tell me if these are correct? 1.After they defeated Germany in World War II, the Allies divided Germany and its capital city, Berlin, into four sectors: a

    asked by HELP NOW
  42. science

    ~Which type of plate is thicker? continental or oceanic [i know that oceanic plates are denser but that doesn't exactly mean its thicker.] ~Which type of plate, continental or oceanic, is older?? [on this question i have no clue] Thanks for any help!

    asked by laura
  43. psychology 210

    Consider how employers and fellow team members could use this instrument at work.

    asked by MIKE THOMPSON
  44. Chemistry

    I'm doing a Chemistry project on the element Potassium. I need some sort of color theme to apply to my project because creativity counts. Does anyone have suggestions?

    asked by Anonymous
  45. Physical Science

    Compare the number of valence electrons an oxygen, O, atom has with the number of valence electrons a selenium, Se, atom has. Are oxygen and selenium in the same period or group?

    asked by Janisha
  46. government

    Why has the Commerce Clause (Article 1, section 8, Clause 3) been used to target agriculture, transportation, finance, labor relations and the workplace?

    asked by kim
  47. CHEMISTRY

    Materials -sandwich-sized plastic ziplock bag -graduated cylinder -paper cup -rubber band -measuring spoons -vinegar -baking soda -twist-tie (like the closure for a loaf of bread) Part 1: The Reaction 1.Use the paper cup during this part of the experiment.

    asked by Tom
  48. 4th grader needs help>>>Transporation

    I was asked to interview a grandparent about what New York's public transportation was like in the past. What kinds of questions could I ask him or her?

    asked by Stephanie
  49. Environmental Science

    Explain the four factors that produce changes in population size. Which factors are affecting the population size? What do you predict will happen to the nutria population after all the land is depleted of the nutrias’ food resource?

    asked by coreen
  50. The court system

    I need to write a 1400 word paper comparing the entertainment fiction of the court system with its reality. Describe the fictional portrayals of the courtroom including the trial process, the roles of the prosecution and defense, the roles of the courtroom

    asked by Ron
  51. chemistry

    what is the big idea of energy?

    asked by john
  52. Chemistry

    Q1. What will be formed when propanone reacted with sodium hydrogensulphite? There is white precipitate is the resulting solution . Is it sodium carbonate? Q2. What are the difference in the products bewteen the reaction of ethanal and propanone reacting

    asked by david
  53. Algebra

    I am supposed to write the standard equation of the parabola with the directrix x=1, and the vertex 6,2. I got y-6=1/4p(x-2)^2. Is this correct? I am supposed to graph y+3=-1/12(x-1)^2. I tried to find p, and I got 36. I don't think this could be correct,

    asked by Natalia
  54. Criminal Justice

    3-4 pages Details: Library Assignment: One of the most important aspects to law enforcement is the anticipation of the resources required to perform police functions effectively. Manpower needs must be weighed, facilities and equipment purchased, and

    asked by Shakaa'
  55. Algebra

    Hi again. I am supposed to graph y+3=-1/12(x-1)^2. How do I find the equation of the directrix, and the coordinates of the vertex and the focus?

    asked by Natalia
  56. English

    "The students may be affected by the recent bus crash." What is the part of speech of "affected"?

    asked by Lee
  57. English?

    This really doesn't have to do with school but i thought you guys might be able to help me. For Christmas I am making a "Get Better Package" It is a decorated box with things to help you when you are feeling down. For example, an ice cream gift

    asked by Anonymous
  58. ap euro

    by the 1770s, the biggest increase in foreign trade was with

    asked by ash
  59. ap euro

    After 1700, Spain a) began losing chunks of her empire to britian b)recovered the late 17th century crisis and held on to her american empire c)acquired brazil from portugual d)abandoned california e)withdrew from slave trade

    asked by ash
  60. ap euro

    the french goverment tried to improve living standards for the rural poor by a)paying a stipend to poor families b)encouraginf chea; english imports c)hiring the poor on major public works projects d)establishing a nat'l network of free public elementary

    asked by ash
  61. Grammar

    Indentify each sentence below with Simple, compound, complex, or compound-complex. Could you pleas tell me if these are correct? 1. After they defeated Germany in World War II, the Allies divided Germany and its capital city, Berlin, into four sectors: a

    asked by please help me
  62. Biochemistry

    Is anyone familar with the equilibrium reactions that convert the ketone group of fructose into an aldehyde group so fructose give a positive Fehling's Test? I know it will as we received so in class but not sure how the reaction takes place.

    asked by Scott
  63. WM and WD

    Okay, I'm doing a project at school and I need help. What is the difference between a "Webmaster" and a "Web designer" They both build websites using HTML don't they? So I don't see any difference. Could it be just different names? 'Thanks,

    asked by Larry
  64. psycholgy

    In what stage of development is Michael or Jennifer and what factors about this stage might be impacting his or her perspective of this situation?

    asked by Anonymous
  65. Classroom Roles

    Why are older students more responsible and know their classroom roles than younger students

    asked by Marcia
  66. Chemistry

    Does anyone know how to separate triacylglyceride and glucose in the lab?

    asked by John
  67. Math 115

    The minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation for the percent notation in each sentence. (a) 1 ounce of Tostitos provides9% of the MDV of fat. b)1/2 cup of

    asked by Debbie
  68. Question

    I need help understanding this question. It's for my project that I'm doing about careers. What are the employment possibilities in this field? I don't understand this question. Help is appreciated.

    asked by Larry
  69. chemistry

    For the spectroscopic notation: 2-8-18-5 1)What does the element do to make the outer shell complete? 2) What would be the charge on the ion the forms as a result? 3) What is the spectroscopic notation fpr each shell Thanks!

    asked by Completely Lost
  70. Health care communcation

    Compose a 200 word response Employees from the billing department are not receving the accurate codes and information needed for data entry, slowing production and payments for the doctor as head of the billing department you have been delegate to lead a

    asked by Julissa
  71. science

    how do you find the percent error betwwen an experimental value and the accepted value? (of density) thanks

    asked by arya
  72. earth comm fluid and spheres science

    can someone explain the relationship between ocean circulation patterns during an el nino event and atmospheric circulation?

    asked by rachel
  73. WM

    What training is required fo this career and where can the training be taken? How much does it cost. I understand the question, but can't find out the cost of the training. By the way, the career is "webmaster" Help please.

    asked by Larry
  74. author

    need some help with world literature

    asked by kay
  75. Biology (respiration)

    Okay...so its about glycolysis in ANaerobic respiration QUESTIONS 1* fructose 1 6 biphoshate or diphoshate (which one is it exactly?) 2* what is the molecular formula for fructose 1 6 di/biphosphate? SOME SITES say C(6)H(10)O(6)P and some say

    asked by Kimora
  76. history

    what is “judicial review”? how might the history of America be different without it?

    asked by ileen
  77. government

    why do think the democrats were able to win control of congress?

    asked by may
  78. government

    what does it mean by define the bureaucracy as “a large, complex organization composed of appointed officials.” ?

    asked by may
  79. psychology 210

    trait theory and learning theory- Write a 350 word response comparing and contrasting the theories you have chosen.

    asked by CATHERINE MCDOUGALD
  80. Chemistry: ketone and aldehydes

    Q1. What will be formed when propanone reacted with sodium hydrogensulphite? There is white precipitate is the resulting solution . Is it sodium carbonate? Q2. What are the difference in the products bewteen the reaction of ethanal and propanone reacting

    asked by david